The average speed of an object or a given time duration is 6 m/s. if it travels first half of the duration with a constant speed 4m/s, what is its speed during the next half duration?
a) 5m/s
b) 4m/s
c) 6m/s
d) 8m/s
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Answered by
98
avg velocity= 6 m/s
V1= 4 m/s then V2= ?
avg velocity (for equal time interval) = (V1+V2)/2
6 = (4 + V2)/2
12 = 4+ V2
V2= 8m/s
V1= 4 m/s then V2= ?
avg velocity (for equal time interval) = (V1+V2)/2
6 = (4 + V2)/2
12 = 4+ V2
V2= 8m/s
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